D3D12 - 渲染图像的基础知识 [英] D3D12 - Basics of Rendering Images
问题描述
我是一名试图学习C ++ / DirectX的Java程序员。我使用的是"D3D12 Win32 Game"。模板，下面我已经包含了模板中所有看似相关的代码部分。我正在尝试进行基本的仓库模拟，其中调色板图像的多个
实例被绘制到屏幕并移动。
用于绘制调色板.png图像到屏幕，我希望有一些类似于Java中的drawImage方法，在那里我传递图像文件和x，y坐标。在C ++中，它似乎在Game :: CreateDevice中加载图像，通过调用m_spriteBatch-> Draw在Game :: Render
中绘制它，并设置coords在Game :: CreateResources中使用变量m_screenPos绘制。
如何修改此代码以在不同的坐标下创建多个调色板图像？我是否需要以某种方式为每个调色板设置不同的m_screenPos变量？
I'm a Java programmer trying to learn C++/DirectX. I'm using the "D3D12 Win32 Game" template, below I've included all the seemingly relevant portions of the code in the template. I'm trying to make a basic warehouse simulation where multiple
instances of a palette image are drawn to the screen and moved around.
For drawing a palette.png image to the screen, I was hoping there was something similar to the drawImage method in Java, where I pass it the image file and the x,y coords. In C++, it seems to load the image in Game::CreateDevice, draw it in Game::Render
by calling m_spriteBatch->Draw, and sets the coords to draw at in Game::CreateResources with the variable m_screenPos.
How can I modify this code to create multiple palette images each at different coords? Would I need to somehow have a different m_screenPos variable for each palette?
另外，我可以通过将m_spriteBatch作为参数传递给另一个类中的方法来访问m_spriteBatch->在Game :: Render之外绘制吗？
如果是这样，我该如何传递它？它的类型是std :: unique_ptr< DirectX :: SpriteBatch>。
Also, can I access m_spriteBatch->Draw outside of Game::Render by passing m_spriteBatch as a parameter to a method in a different class?
If so, how do I pass it? It's of type std::unique_ptr<DirectX::SpriteBatch>.
谢谢！ （对不起，如果我在错误的部分发布了这个）
Thanks! (sorry if I posted this in the wrong section)
//Game::Render()
m_spriteBatch->Begin(m_commandList.Get());
m_spriteBatch->Draw(m_resourceDescriptors->GetGpuHandle(Descriptors::Palette),
GetTextureSize(m_texture.Get()),
m_screenPos, nullptr, Colors::White, 0.f, m_origin);
m_spriteBatch->End();
//----------
//Game::CreateResources
m_screenPos.x = backBufferWidth / 2.f;
m_screenPos.y = backBufferHeight / 2.f;
//----------
//Game.h
enum Descriptors
{
Palette,
Count
};
std::unique_ptr<DirectX::SpriteBatch> m_spriteBatch;
//----------
//Game::CreateDevice
resourceUpload.Begin();
DX::ThrowIfFailed(
CreateWICTextureFromFile(m_d3dDevice.Get(), resourceUpload, L"res/textures/palette.png",
m_texture.ReleaseAndGetAddressOf(), false));
CreateShaderResourceView(m_d3dDevice.Get(), m_texture.Get(),
m_resourceDescriptors->GetCpuHandle(Descriptors::Palette));
RenderTargetState rtState(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_D32_FLOAT);
SpriteBatchPipelineStateDescription pd(rtState);
m_spriteBatch = std::make_unique<SpriteBatch>(m_d3dDevice.Get(), resourceUpload, pd);
XMUINT2 PaletteSize = GetTextureSize(m_texture.Get());
m_origin.x = float(PaletteSize.x / 2);
m_origin.y = float(PaletteSize.y / 2);
auto uploadResourcesFinished = resourceUpload.End(m_commandQueue.Get());
uploadResourcesFinished.wait();
推荐答案
您好SC-Toronto，
Hi SC-Toronto,
感谢您在此发布。
您能否提供有关您项目的更多信息？它是桌面应用程序还是UWP / Android应用程序？
Could you please provide more information about your project? Is it a desktop application or UWP/Android application?
如果您的应用程序是UWP / Android应用程序，我将帮助您将其移至UWP论坛。
If your application is an UWP/Android application, I will help you move it to UWP forum.
>> 如何修改此代码以在不同的线上创建多个调色板图像？
>> 我可以访问m_spriteBatch->通过将m_spriteBatch作为参数传递给另一个类中的方法，在Game :: Render之外绘制？
如果是这样，我该如何通过？
据我所知，你无法实现这一点。
As far as I know, you couldn't implement this.
如果您想学习Direct 3D的一些基本知识，请参考下面的这些文档和示例。
If you want to learn some basic knowledge of Direct 3D, please refer to these documents and samples below.
https://msdn.microsoft.com/en-us/library/windows/desktop/ dn899121（v = vs.85）.aspx
https：/ /github.com/Microsoft/DirectX-Graphics-Samples
最好的问候，
Sera Yu
Best Regards,
Sera Yu
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